<template>
  <div class="permission-container">
    <div class="app-container">
      <el-card>
        <div style="text-align: right; margin-bottom: 20px">
          <el-button type="primary" size="small" @click="hAdd(1, 0)">
            添加权限
          </el-button>
        </div>
        <el-table border :data="list" row-key="id">
          <el-table-column label="名称" prop="name" />
          <el-table-column label="标识" prop="code" />
          <el-table-column label="描述" prop="description" />
          <el-table-column label="操作">
            <template slot-scope="{ row }">
              <!-- 按业务要求，只有是页面级别的节点(type=1)，才有添加 -->
              <el-button
                v-if="row.type === 1"
                type="text"
                @click="hAdd(2, row.id)"
              >
                添加
              </el-button>
              <el-button type="text" @click="hEdit(row.id)">编辑</el-button>
              <el-button type="text" @click="hDel(row.id)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
      </el-card>
    </div>
    <el-dialog
      :close-on-click-modal="false"
      :close-on-press-escape="false"
      :visible.sync="showDialog"
      :title="isEdit? '编辑权限点' : '添加权限点'"
      @close="resetForm"
    >
      <!-- 表单内容 -->
      <el-form ref="form" label-width="100px">
        <el-form-item label="权限名称">
          <el-input v-model="formData.name" />
        </el-form-item>
        <el-form-item label="权限标识">
          <el-input v-model="formData.code" />
        </el-form-item>
        <el-form-item label="权限描述">
          <el-input v-model="formData.description" />
        </el-form-item>
        <el-form-item label="权限启用">
          <el-switch
            v-model="formData.enVisible"
            active-text="启用"
            active-value="1"
            inactive-text="不启用"
            inactive-value="0"
          />
        </el-form-item>
      </el-form>

      <template #footer>
        <div style="text-align: right">
          <el-button @click="showDialog = false">取消</el-button>
          <el-button type="primary" @click="hSubmit">确定</el-button>
        </div>
      </template>
    </el-dialog>
  </div>
</template>
<script>
import { getPermissionList, addPermission, delPermission, getPermissionDetail, updatePermission } from '@/api/permisson.js'
import { tranListToTreeData } from '@/utils'

export default {
  data () {
    return {
      list: [],
      showDialog: false,
      isEdit: false,
      formData: {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }
    }
  },
  created () {
    this.loadPermissionList()
  },
  methods: {
    hAdd (type, pid) {
      this.showDialog = true
      this.isEdit = false
      this.formData.type = type
      this.formData.pid = pid
    },
    async doAdd () {
      try {
        const res = await addPermission(this.formData)
        console.log('addPerimission', res)

        // 1. 关闭弹层
        this.showDialog = false
        // 2. 重新请求数据
        this.loadPermissionList()
        // 保存数据
      } catch (err) {
        console.log('addPerimission', err)
      }
    },
    async doDel (id) {
      try {
        const res = await delPermission(id)
        console.log('delPermission', res)

        // 1. 重新请求数据
        this.loadPermissionList()
        // 2. 提示
        this.$message.success('删除成功')
        // 保存数据
      } catch (err) {
        console.log('delPermission', err)
      }
    },
    // 用户删除
    hDel (id) {
      this.$confirm('你确定要删除吗').then(() => {
        this.doDel(id)
      }).catch(() => { })
    },
    async doEdit () {
      try {
        const res = await updatePermission(this.formData)
        console.log('updatePermission', res)
        // 1. 关闭弹层 导致弹层关闭 ---> @close
        this.showDialog = false
        // 2. 重新请求数据
        this.loadPermissionList()
      } catch (err) {
        console.log('updatePermission', err)
      }
    },
    async hEdit (id) {
      this.isEdit = true
      // 获取详情数据
      try {
        const res = await getPermissionDetail(id)
        console.log('getPermissionDetail', res)
        this.formData = res.data // 赋值之后，表单就有数据回填

        // 显示弹层
        this.showDialog = true
      } catch (err) {
        console.log('getPermissionDetail', err)
      }
    },
    hSubmit () {
      // todo: 表单校验
      this.isEdit ? this.doEdit() : this.doAdd()
    },
    resetForm () {
      // 表单数据清空
      this.formData = {
        name: '', // 名称
        code: '', // 权限标识
        description: '', // 描述
        enVisible: '0', // 开启
        pid: '', // 添加到哪个节点下
        type: '' // 类型
      }

      this.$refs.form.resetFields()
    },
    async loadPermissionList () {
      try {
        const res = await getPermissionList()
        console.log('getPermissionList', res)
        const list = tranListToTreeData(res.data)
        console.log('getPermissionList', list)
        // 保存数据
        this.list = list
      } catch (err) {
        console.log('getPermissionList', err)
      }
    }
  }
}
</script>
